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Century Spring

S-3128CS - 1" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 7 coils and closed & ground ends. This spring features an O.D. of 0.562", and an I.D. of 0.454".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-3128
Ends Closed & Ground
Finish None
Free Length 1 in
Inside Diameter 0.454 in
Material 302/304 Stainless Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 16 lbs/in
SKU S-3128CS
Solid Length 0.38 in
Suggested Max Deflection 0.58 in
Suggested Max Load 9.5 lbf
Total Coils 7
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-3128
Ends Closed & Ground
Finish None
Free Length 25.4 mm
Inside Diameter 11.53 mm
Material 302/304 Stainless Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 2.8 N/mm
SKU S-3128CS
Solid Length 9.65 mm
Suggested Max Deflection 14.73 mm
Suggested Max Load 42.26 N
Total Coils 7
Wire Diameter 1.37 mm
The S-3128 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The S-3128CS compression spring is designed with a free length of 0.75" total of 8 coils, and a rate of 145 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The S-3128 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.

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